IH

Ikuo Hirase

LL L'Air Liquide: 1 patents #17 of 128Top 15%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #1,059,627 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5114683 Thermal decomposition trap 1992-05-19
5084080 Device for trapping gaseous compounds of refractory metals and pumping plant including same Denis Rufin, Tooru Sumiya, Masamichi Matsuura 1992-01-28
4981723 Chemical vapor deposition of tungsten silicide using silicon sub-fluorides Denis Rufin, Michael Schack, Tooru Sumiya, Masamichi Matsuura, Sadayuki Urishima 1991-01-01
4886444 Process for treating gaseous effluents coming from the manufacture of electronic components and incineration apparatus for carrying out said process Denis Rufin 1989-12-12
4872944 Process for the control in real time of the selectivity of the etching by analysis of the plasma gases in a process of reactive ionic etching and a reactor therefore Denis Rufin 1989-10-10